a:8:{i:0;s:2:"id";i:1;s:13:"admin_user_id";i:2;s:2:"ip";i:3;s:2:"os";i:4;s:7:"browser";i:5;s:7:"logtime";s:3:"_pk";s:2:"id";s:5:"_type";a:6:{s:2:"id";s:7:"int(11)";s:13:"admin_user_id";s:7:"int(11)";s:2:"ip";s:12:"varchar(255)";s:2:"os";s:12:"varchar(255)";s:7:"browser";s:12:"varchar(255)";s:7:"logtime";s:8:"datetime";}}